<div>
	<input type="text" class="form-control" 
		ng-minlength=7 
      	ng-maxlength=7 
      	ng-pattern="pattKjkzny"
      	placeholder="yyyy-MM" 
      	ng-model="kjkzny" 
     	ng-disabled="false"
    	required>
	<span class="glyphicon glyphicon-remove form-control-feedback" ng-show="periodCaptionInitial_form.kjkzny.$invalid" aria-hidden="true"></span>
	<span class="glyphicon glyphicon-ok form-control-feedback" ng-show="periodCaptionInitial_form.kjkzny.$valid" aria-hidden="true"></span>
</div>
